Here are some suitable words to fill in the blanks based on the provided context:

### Passage 1
1. **received** - "Last week, I **received** a call from my son’s teacher. I was very surprised to hear from her as Robert had always been a good student. She told me that Robert had **cheated** in his test. I was very **shocked** and could **hardly** believe my ears. I told the teacher that there must have been some kind of mistake."

### Passage 2
2. **cities** - "There are over 20 excellent **cities** close to Sydney and its warm summer **climate** and cool winter have made a **favourite** city for immigrants from overseas. There are 3 things that **make** Sydney: its beautiful **harbour**, the Sydney Harbour Bridge, which was built in 1932 and the Sydney Opera House, which was opened in 1973."

### Passage 3
3. **guides** - "The tour guide **took** us to the most respected house in Nghe An where Uncle Ho grew up and spent his **childhood**. We were given a cordial welcome **during** our visit. Every year **on** the 19th of May, our Uncle’s birthday, our party and people think of him with gratitude and pride."

Feel free to adjust any specific words according to your context!